From Longman Dictionary of Contemporary Englishastrologeras‧trol‧o‧ger /əˈstrɒlədʒə $ əˈstrɑːlədʒər/ noun [countable]ROAsomeone who uses astrology to tell people about their character, life, or future

Examples from the Corpus

astrologer• Nancy Reagan had an astrologer and her little gun.• I told him it was in the hands of an astrologer in San Francisco.• Proceed with caution and, at the risk of sounding like a tabloidastrologer, look before you leap.• The astrologers have been proved right: the bridge was only closed to traffic in 1950.• It is believed that they were astrologers from Babylonia or Arabia.